Axis "Best Of The Best" 4K Camera Tested (Q1798-LE)

*******

*** *****-** ******* ****** low ***** (~* ***) and ****/** (~*.** ***) image *******, **** ** coverage, *** ****** ** details *** ** ** included ** **** ****** which ******* ***** **** visible ***** **** ** taillights *** **********.

*******, ******* **** ****** at *** ** **** range ****** *** *** than *** *****, **** WDR ********** ****** *** to **** ****** ******* backlight *** *** ****** in ******** *****.

Key ********

***** ** *** *****, the **** *****-** *** several *** *********:

• ** **** ****** ******* nighttime *****:*** *****-**'* ** **** filter ******* **** ******* light ******* ** ***** with ** **, ******** glare **** **********, **********, and ***** ******* ******** to ***** *******.
• **** ** ********:*** *****'* ** ************ evenly ******* *** *****, with ************ ** *** edges ******* ** *** center ** *** ***** of ****. **** ****** darkening *** ******* ** the ******* ** *** image ** *** ******'* widest ****.
• ****** ** (~*.** ***) and *** ***** (~* lux) ***** *******:******** ** ***** **** end **** ****** (*****-*** and *****-*), *** ***** produced ******** ******* ** low ***** *** **** scenes **** ** **.
• ****** ***** ******** ** low *****:** *** ***** (~* lux), *** *****-** ******** the ****** ****** ** Axis ******* ****** (*****-*** and *****-*).
• ***** *** ***********:*** *****-** ********** **** all ***** ***** ******, only ******** *** *** support *.*** *********.

******** ** *** **** some *********:

• **** ***** ***** ******* worse **** *****:** *** ** **** range (~**-**'), *** *****-** produced ****** ******* (~*** lux) ******* **** ****' high *** *****-*** ****, with ****** ******.
• ****** *** *******:*** ***** ******** ****** WDR ******* **** *** Q3518 *** *****, **** softer ****** ******* ****** backlight *** ****** ******* in ******** *****.

*******

*** **** *****-** ***** for ~$*,*** *** ******, one ** ****' **** expensive ******, ~$*** **** than *** **** *** Q3518-LVE ** **** (~$*,***).

IR **** ****** ******* ********* ************

******* ** **** ******** its ** *** ****** at *****, *** *****-** uses ** ** **** filter ***** ****** **** of *** ******* ***** spectrum *** ****** **** infrared ***** (***-*****).

******* ** ****, *** camera ************* ******* ***** when ***** ******** ** bright ***** ******* **** as ********** ** **********. For *******, **** ****** a ***+ *** ********** light ******** ** *** camera, ***** ** **** lens ***** *** ***** is *********** ******* ******** to *** ** **** Q3518-LVE.

*** ***** ***** ***** the ******* ** *** pass ****** ** *** Q1798, ** ** ******* from ***** **** **** a ******* *** ***** aimed ******** ** ** to **********, ********* **** overexposed **** ***** ***** to ****** ******* ** that **** *** ********** LEDs *** ** *************.

IR **** ****** **********: ******* *****

** *** *****, **** pass ****** *** *********** advantages ** ******** *****. When ******* ** ******* license ******, *** *******, the **** ****** ******* many ********** *** ******* plate ****** ****** **********, making ****** **** ****** to **** ******* *** settings ********** *********. *** example, ******** ** *** Q3518 *** ***** *****, the ***** ******* ***** the *******'* ******* *****, which ** *********** ********* or ******* ** ******.

******* ******* ********** **** less ********** ** **** contain * *********** ****** of ** *****. ***** is ******* ******** ** other *******, **** ********** improved ******* *******, *** not ** ************* ******** as **********.

Even ** ********

*** *****'* ** ******** was **** **** **** to ****, **** **** slight ********* ** *** corners ** *** ******'* field ** ****, **** no ****** ************.

Dark ***** ******* (~*.** ***)

** *** **** ***** (~0.01lx) ** ~**'. *** cameras ******* *********, ******** the **** ***** *** facial ******* ******* ************.

****, ** ~**' ******* facial ******* *** ********* on **** ** ******* but *** *****-** ****** one **** ******* **** on *** ***** *** a ******* *****.

** ~**', ******* *** ~40', *** ** ******* still ***** ******* ****** details *** *** *****-** offers *** **** ******* line ** *** *****.

Solid *** ***** ***** *******/***** ******** (~* ***)

** * *** ***** scene (~* ***) *** cameras ******* ********* ** ~20', ****** *** *****-** produces ********** ***** ****** than ******. *** *****-*** appears ******** ***********.

** ~**', *** *****-** offers ******** ****** ****** details, **** ****** ***** more ********.

Weaker ******* ***** ******* (~*** ***)

** * ******* ******* at ~**' *** ** cameras ***** ******* ****** and ***** ******* **** no ************.

*******, ******** *** ******** to ~**', *** *****-** is ****** **** *** Q3518-LVE, **** ****** *******, even ***** **********.

WDR ***** *******

** ****** *** ******* an ******** *******, **** outdoor *** ** ~**** and ****** *** ** ~40, * ******** ** ~25x.

*** ******* ********* ********* in **** ********, *** Q1798-LE ******** *** ****** portion **** **** *** other ******* *** ******* facial *** ***** ******* are ***** *********.

*********

*** *****-**'* ********* ******** were ***** **** *** Q3518-LVE **** ** ~**% in *** ***** *** dark **** ** **. Bitrates **** ****** **** the **** *****-*, ******* Axis' ***** ** **** requiring "*** **** ********* and ******* ** ******* 1080p *******."

VMS ***********

*** *****-** *** * broad ***********, ******** **** H.264 *** *.*** ********* in *** ***** ***** but ******** ***** *** not ******* *.***.****'* **** ************* ********* ** *** VMSes ****** *** ********.

Physical ********

*** *****-** ** * large ****** ******, ***** to *** **** ** Axis' *****-* *** ****** in *******. *******, ** includes * *** *** punchdown ** *** **** of *** *******, ** cables *** ** ******** terminated ******* ** ******** modular *****, ***** *** be ****** ** * ladder ** **** *** more ******. ** ****** the ******'* ******** ******** in **** *****:

Country ** ******

*** *****-** *** ************ in ******.

Test **********

******* **** ****** ***** default ******** **** **** changes:

• ********* *** *** ** Higher, **** ******* *** set ** **, ******** of **** (*******).
• *** *** *******
• *.*** *** **** ****** testing

*** ********* ******** **** used ****** *******.

• **** *****-**: *.**.*.*
• **** *****-***: *.**.*
• **** *****-*: *.**.*